Scientific Notation and Significant Figures

Write 1.26 x 10³ in standard or expanded form.

• 1260

• 126

• 126.0

• 12.6

Write 5,795,000 in scientific notation

• 5.795 x 10³

• 5.795 x 10⁴

• 57.95 x 10⁵

• 5.795 x 10⁶

Convert 5.89 x 10^-4 to standard or expanded form.

• 0.00589

• 0.000589

• 58900

• 58.900

The following number has 4 significant figures.

• 1010

• 0.0055

• 5000

• 101.0

The number of significant figures in: 10.0

• 1

• 2

• 3

• 4

0.006 has ________ significant figures (sigfigs)

• 4

• 3

• 2

• 1

Write 7.113 x 10⁷ in standard form.

• 71,130,000

• 7,113,000

• 0.0000007113

• 7,113

What is the best way to enter 4.2x10⁹ in a calculator?

• 4.2 [x] 10 [exp] 9

• 4.2 [exp] 9

• 4.2 [x] 10 [x^y] 9

• 4.2 [x^y] 9

Trailing zeroes (after a nonzero number)

• never counts for sigfigs

• always counts for sigfigs

• counts if there is a decimal

• cannot be determined

leading zeroes (before a nonzero number)

• never counts for sigfigs

• always counts for sigfigs

• counts if there is a decimal

• cannot be determined